MARINElife blog: Neptune Line (Neptune Aegli) Southampton Santander (17 th 23 rd May 2018) Day 1-2: Southampton - Portbury

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MARINElife blog: Neptune Line (Neptune Aegli) Southampton Santander (17 th 23 rd May 2018) Day 1-2: Southampton - Portbury This is a route I coordinate for MARINElife but was the first time I

I headed down to Southampton early and boarded not long after the ship arrived and was warmly greeted and provided with a very hearty and welcome breakfast.

Once into the Solent, I commenced recording with a scattering of seabirds, primarily Black-headed and Herring Gull.

1 MARINElife blog: Neptune Line (Neptune Aegli) Southampton Santander (17 th 23 rd May 2018) Day 1-2: Southampton - Portbury This is a route I coordinate for MARINElife but was the first time I had been able to undertake the survey myself. I headed down to Southampton early and boarded not long after the ship arrived and was warmly greeted and provided with a very hearty and welcome breakfast. After familiarising myself with the ship and meeting the captain, I awaited the departure. Once into the Solent, I commenced recording with a scattering of seabirds, primarily Black-headed and Herring Gull. Species diversity increased as we headed beyond the Isle of Wight and into the Channel taking in the Needles and Hurst Castle as we went. Hurst Castle & The Needles (Adrian Shephard) Bird sighting evolved into Gannet and Guillemot but my first marine mammal wasn t until we were within sight of Portland Bill, with a succession of Harbour Porpoise as we headed in to Lyme Bay. Conditions were calm and this even allowed for views of a few Tuna distantly erupting from the waters surface. With darkness approaching, I headed down to grab some sleep.

On the bridge by 5.30am and off Lands End, it wasn t long I spotted a Harbour Porpoise with others following later.

Risso s Dolphin (Adrian Shephard) Around 9 o clock, the action really started with group after group of Common Dolphin with hundreds of associated Manx Shearwater lasting around 1.5 hours.

A number of Swallow were seen passing the ship with the occasional one circling as did a group of Collared Dove and a Pied Wagtail.

2 On the bridge by 5.30am and off Lands End, it wasn t long I spotted a Harbour Porpoise with others following later. A little later, a small group of Risso s Dolphin made an appearance with a calf in tow. Risso s Dolphin (Adrian Shephard) Around 9 o clock, the action really started with group after group of Common Dolphin with hundreds of associated Manx Shearwater lasting around 1.5 hours. The groups were feeding but the occasional animal made a beeline for the ship. A number of Swallow were seen passing the ship with the occasional one circling as did a group of Collared Dove and a Pied Wagtail. The action slowed as we headed for Portbury with the last thrill being a Grey Seal wrestling with an eel. Grey Seal with eel (Adrian Shephard) Day 3: Portbury to Rosslare The ship sailed overnight, but I was up early and able to enjoy a few hours watching as we headed for Ireland and it was well worth the early start as the southern tip of Wales proved to be a hotspot for Manx Shearwater with many hundreds passing in front of the ship as they headed out into the Irish Sea. Some of the shearwaters were feeding and associated with a few groups were Common Dolphin. As we headed further across the Irish Sea, small groups of Puffin could be seen on the water and in flight great to see these colourful characters. With the Irish coast coming into sight, a disturbance to port alerted me to a Minke Whale surfacing twice as it passed down the side of the vessel. Manx Shearwater (Adrian Shephard

Black Guillemot (Adrian Shephard) Day 3 & 4: Rosslare to Santander We headed out mid-afternoon with a sea state which wasn t as good as our arrival, however, there was a brief encounter with a couple

3 I finished recording and headed down onto the deck as we came into port. I heard the gentle calls of a pair of Black Guillemot which were flying around the vessel and they were able to perch on the side of the vessel as it headed towards its birth. Black Guillemot (Adrian Shephard) Day 3 & 4: Rosslare to Santander We headed out mid-afternoon with a sea state which wasn t as good as our arrival, however, there was a brief encounter with a couple of Harbour Porpoise. Good numbers of Manx Shearwater were seen riding the waves with elegance and small groups of terns were seen feeding and even a fleeting glimpse of a couple of Storm Petrel with late evening bringing a couple of small groups of Common Dolphin. Pilot Whale (Adrian Shephard) Waking in the morning, I was on watch for 05:10 with sightings of Harbour Porpoise and Bottlenose Dolphin on the approach to the continental slope. As the waters beneath us deepened, we encountered groups of Striped and Common Dolphin and also a Fin Whale surfacing. Soon after, groups of Pilot Whale appeared intermixed with groups of Common Dolphin with sightings continuing as we headed into the abyssal plain waters at 4,000 meters of depth. We also gathered a number of resting migrant birds including Collared and Turtle Dove, Reed Warbler, House Martin, Swallow and a Turnstone.

Day 5 & 6: Santander to Le Havre Fin Whale (Adrian Shephard) Terrestrial Visitors (Adrian Shephard) Leaving Santander after lunch, we headed back into the Bay of Biscay.

A huge distant splash alerted me to a large animal breaching clear of the water at some considerable distance ahead, the breaching repeating a total of 6 times in quick succession.

4 Day 5 & 6: Santander to Le Havre Fin Whale (Adrian Shephard) Terrestrial Visitors (Adrian Shephard) Leaving Santander after lunch, we headed back into the Bay of Biscay. Initial sightings of Bottlenose Dolphin gave way to the larger Fin Whale as the waters deepened, their exhalations of breath visible for some distance. A huge distant splash alerted me to a large animal breaching clear of the water at some considerable distance ahead, the breaching repeating a total of 6 times in quick succession. I couldn t confirm the species at the distance, but the animal was large possibly a Humpback Whale which display this type of behaviour. A Grey Heron passed ahead of the ship and very soon bird sightings reduced to the smallest trickle. A brown shape on the surface of the water suddenly moved and it became apparent that it was a mother and calf Cuvier s Beaked Whale which had been resting on the surface this species is very elusive and a real Biscay specialist. Common Dolphin and Fin Whale sightings continued as the day wore on. Awaking early, we were already on the shallower shelf water and sightings of marine mammals were minimal with just a couple of Harbour Porpoise recorded. Seabird numbers had again increased with a passage of Lesser Black-backed Gull, Common Tern and Manx Shearwater moving north.

Unfortunately, there were also a large number of discarded helium balloons seen. I concluded a long survey day at the Cherbourg Peninsula and headed for bed.

I spotted a couple of Harbour Porpoise just outside the harbour prior to heading up to the bridge and these proved to be the only marine mammals of this leg.

5 Unfortunately, there were also a large number of discarded helium balloons seen. I concluded a long survey day at the Cherbourg Peninsula and headed for bed. Helium Balloons (Adrian Shephard) Day 7: Le Havre to Southampton We left around 5pm and after negotiating the port, we were out at sea with a few hours to survey. I spotted a couple of Harbour Porpoise just outside the harbour prior to heading up to the bridge and these proved to be the only marine mammals of this leg. There were a few Gannet, but even these dried up after a couple of hours. Harbour Porpoise (Adrian Shephard) I concluded the trip at 9pm and headed down to complete my data entry. My thanks to Neptune Line as well as the captain and crew of Neptune Aegli for looking after me which undertaking the crossing. Adrian Shephard; Research Surveyor for MARINElife (Registered Charity No ) For a full summary of the species seen during this survey please visit: Summary of Weather and Species Recorded Weather Calm conditions and good visibility with occasional patchy fog with sea state 1-5 Marine Mammals Bottlenose Dolphin Tursiops truncates 17 Common Dolphin (Short-beaked) Delphinus delphis 616 Cuvier's Beaked Whale Ziphius cavirostris 2 Fin Whale Balaenoptera physalus 9 Harbour Porpoise Phocoena phocoena 17 Long-finned Pilot Whale Globicephala melas 50

6 Minke Whale Balaenoptera acutorostrata 1 Risso's Dolphin Grampus griseus 4 Striped Dolphin Stenella coeruleoalba 73 Unidentified Dolphin sp. 56 Unidentified Whale sp. (possible Humpback Whale) 1 Grey Seal Halichoerus grypus 1 Unidentified Seal sp. 1 Other Species Tuna sp. Thunnus sp. 4 Seabirds Arctic Tern Sterna paradisaea 7 Auk sp. Alcidae 78 Black-headed Gull Chroicocephalus ridibundus 37 Commic Tern Sterna hirundo/sterna paradisaea 98 Common Tern Sterna hirundo 85 Cormorant Phalacrocorax carbo 1 Fulmar Fulmarus glacialis 56 Gannet Morus bassanus 1095 Great Black-backed Gull Larus marinus 100 Great Skua Stercorarius skua 3 Guillemot Uria aalge 378 Gull sp. Laridae 265 Herring Gull Larus argentatus 50 Kittiwake Rissa tridactyla 131 Lesser Black-backed Gull Larus fuscus 169 Manx Shearwater Puffinus puffinus 2978 Puffin Fratercula arctica 34 Razorbill Alca torda 20 Storm Petrel Hydrobates pelagicus 4 Tern sp. Sternidae 6 Yellow-legged Gull Larus michahellis 3 Terrestrial Birds Whimbrel Numenius phaeopus 2 Swallow Hirundo rustica 27 Turnstone Arenaria interpres 1 Turtle Dove Streptopelia turtur 1 Pigeon sp. Columbidae 4 Reed Warbler Turdus iliacus 1 Grey Heron Ardea cinerea 1 Collared Dove Streptopelia decaocto 13 Pied Wagtail Motacilla alba yarrellii 1 House Martin Delichon urbicum 2

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